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A novel circularly polarized dual-band slot antenna for RFID applications 一种应用于RFID的新型圆极化双频槽天线
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752511
A. Azarbar, M. Mashhadi, J. Ghalibafan
{"title":"A novel circularly polarized dual-band slot antenna for RFID applications","authors":"A. Azarbar, M. Mashhadi, J. Ghalibafan","doi":"10.1109/IEEEGCC.2011.5752511","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752511","url":null,"abstract":"In this paper, a new slot antenna is proposed for dual-band RFID applications. This antenna is designed to covers the frequency of ISM Bands (2.45GHz and 5.80GHz). In this antenna, two squared-slots are used for dual-band characteristic. Furthermore, some perturbations are set on an appropriate location to achieve circular polarization radiation. An L-shaped feed line is used for antenna excitation. The simulations results show that the proposed antenna has good circularly polarized radiations and the 3 dB axial-ratio bandwidth is more than 7.2% and 5.8% for first and second bands respectively. therefor, it is suitable to use for RFID as the reader antenna.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121853457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Convergence performances of various adaptive filter algorithms with application to system identification 各种自适应滤波算法的收敛性能及其在系统辨识中的应用
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752585
S. Jimaa, Saeed Al-Ali
{"title":"Convergence performances of various adaptive filter algorithms with application to system identification","authors":"S. Jimaa, Saeed Al-Ali","doi":"10.1109/IEEEGCC.2011.5752585","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752585","url":null,"abstract":"This paper examines the performance of mean square error (MSE) using various adaptive filtering algorithms in the adaptation process of system identification over two defined communication channels. The MSE performances of the proposed algorithms are compared with that of the standard Normalized Least Mean Square (NLMS) algorithm. To enhance the adaptation performance, non-mean-square algorithms have been utilized, for instant, Least Mean Fourth (LMF) algorithm. Also, switching algorithm led to better performance. In this paper, random step size NLMS, switching between NLMS and LMF, and LMS+F mixed norm algorithms have been implemented and their performances over two defined Finite Impulse Response (FIR) channels were tested in comparison with the standard NLMS.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116804857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A reconfigurable SAT-based automatic test pattern generator 一种可重构的基于sat的自动测试模式发生器
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752522
M. Safar, M. Shalan, M. El-Kharashi, A. Salem
{"title":"A reconfigurable SAT-based automatic test pattern generator","authors":"M. Safar, M. Shalan, M. El-Kharashi, A. Salem","doi":"10.1109/IEEEGCC.2011.5752522","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752522","url":null,"abstract":"With the increasing complexity of integrated circuits and transition to Systems-on-Chip (SoC) paradigm, Automatic Test pattern Generation (ATPG) becomes a crucial tool in the Electronic Design Automation (EDA) domain. ATPG based on Boolean Satisfiability (SAT) has been proposed as an alternative to classical structural algorithms for generating test patterns for single stuck-at faults in combinational circuits. SAT-based ATPG provides excellent balance of simplicity and robustness versus structural algorithms. However, a highly efficient and fast SAT solver in needed to overcome the time overhead incurred in extracting the SAT formula. In this paper, we propose a reconfigurable hardware SAT-based test pattern generator. For different circuits, compilation, synthesis and place-and-route overhead is eliminated. We demonstrate the feasibility of our approach by experimenting with ISCAS'85. Our proposed reconfigurable SAT-based test pattern generator achieves 20 times average speedup compared to software SAT-based ATPG.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116974389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reinforcement learning solution to economic dispatch using pursuit algorithm 基于追踪算法的经济调度强化学习解决方案
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752517
I. A. T. Parambath, E. A. Jasmin, F. Pazheri, E. Al-Ammar
{"title":"Reinforcement learning solution to economic dispatch using pursuit algorithm","authors":"I. A. T. Parambath, E. A. Jasmin, F. Pazheri, E. Al-Ammar","doi":"10.1109/IEEEGCC.2011.5752517","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752517","url":null,"abstract":"Reinforcement learning (RL) algorithms are powerful tools that can be used to solve multi stage decision making problem. In this paper, we view Economic Dispatch (ED) problem as an n stage decision making problem and propose a novel RL algorithm which uses pursuit algorithm for making decisions at each stage during the learning process. Even though many soft computing techniques like simulated annealing, genetic algorithm and evolutionary programming have been applied to ED, they require searching for the optimal solution corresponding to each demand. In RL approach, once learning phase is over, we can find optimal dispatch for any load from a lookup table. One important issue in RL algorithm is striking a balance between exploration and exploitation during the learning phase. Here we propose to use an efficient algorithm called pursuit algorithm from theory of learning automata for balancing the exploration and exploitation during the learning phase.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115089081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Image Fusion Tool for Dubai Sat-1 images 迪拜卫星-1图像的图像融合工具
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752480
Ahmed M. Alharmoudi, A. Dawood, A. Alsuwaidi
{"title":"Image Fusion Tool for Dubai Sat-1 images","authors":"Ahmed M. Alharmoudi, A. Dawood, A. Alsuwaidi","doi":"10.1109/IEEEGCC.2011.5752480","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752480","url":null,"abstract":"In this paper, an Image Fusion Tool for satellite images is proposed. It is mainly developed to enhance quality of images taken from DubaiSat-1 remote sensing satellite. Two different methods were proposed, one is called Pixel-intensity Fusion (PIF) and the other is Transferred color space Fusion (TCSF). Each technique is presented with two options. Each method is also consisting two approaches. Results show that TCSF is superior to the two PIF method.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129299266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
FPGA — Based fast SSCH detector for 3G WCDMA systems using cyclic Hierarchical codes 基于FPGA的基于循环分层码的3G WCDMA系统快速SSCH检测器
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752579
A. A. Hussein, A. Kadhim
{"title":"FPGA — Based fast SSCH detector for 3G WCDMA systems using cyclic Hierarchical codes","authors":"A. A. Hussein, A. Kadhim","doi":"10.1109/IEEEGCC.2011.5752579","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752579","url":null,"abstract":"In 3G asynchronous WCDMA, the downlink receivers spent much time on acquisition and synchronization due to large computation time of the correlation and the detection of large codes (512) used. The work here deals with a reconfigurable FPGA design using VHDL hardware description language to provide realization of frame synchronization and code group identification to be complied with the 3GPP standard. The implementation is based on cyclic Hierarchical codes which show better cross correlation properties than that of CFRS (Comma Free Reed Solomon) codes. The proposed structure complexity is relatively low compared with that for CFRS: we need just one correlator instead of 16 and (32∗16) ROM instead of (64∗60) is required. A low complexity approximation is used to calculate the true magnitude of signals. Also different clock frequencies for correlation calculation are used. As a result, one slot is sufficient to obtain frame synchronization.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127523705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modulation adaptation according to radio channel pulse response 根据无线电信道脉冲响应调制自适应
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752625
N. Majer, V. Wieser, P. Brida, Matej Uram
{"title":"Modulation adaptation according to radio channel pulse response","authors":"N. Majer, V. Wieser, P. Brida, Matej Uram","doi":"10.1109/IEEEGCC.2011.5752625","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752625","url":null,"abstract":"In this paper the method for radio channel pulse response processing and modulation adaptation principle is described. The received signal is converted by baseband conversion, digitized and the pulse response of radio channel is processing by proposed algorithms. These algorithms are working in real time and are able to estimate the amplitude, phase and delay of the received signal in each of propagation paths. The most promising algorithm (Exponential Power Descend Algorithm) achieved recovery successfulness of all signal paths equal approximately 90 % for SNR = 2.5 dB. The advisable modulation is calculated from pulse response of radio channel and is immediately used in actual radio channel.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"257 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127701253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new enhanced Howland voltage controlled current source circuit for EIT applications 一种新型增强型Howland压控电流源电路
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752526
A. Al-Obaidi, M. Méribout
{"title":"A new enhanced Howland voltage controlled current source circuit for EIT applications","authors":"A. Al-Obaidi, M. Méribout","doi":"10.1109/IEEEGCC.2011.5752526","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752526","url":null,"abstract":"A current source is one of the most important circuits in Electrical Impedance Tomography (EIT) hardware systems for measuring conductive multiphase flows. One of its important and challenging features is to deliver a relatively large and constant current for a wide range of resistive loads, high signal to noise ratio, and a large bandwidth. This paper presents a new voltage controlled current source for EIT applications. It is based on Howland circuit and uses two similar current sources circuits operating in parallel. Furthermore, the paper suggests a General Inverter Circuit (GIC) to remove the effect of eventual stray capacitances which usually appear across the load. Experimental results using Multisim software indicates that the new suggested circuit presents a more stable impedance output over a range of 100 to 3000 Ω. Furthermore, it was found that the current remains stable for range of 100 to 6000 Ω.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"5 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120995553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 34
Dubaisat-1: Mission overview and applications Dubaisat-1:任务概述和应用
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752637
A. Alrais, A. AlSuwaidi, A. Bushahab
{"title":"Dubaisat-1: Mission overview and applications","authors":"A. Alrais, A. AlSuwaidi, A. Bushahab","doi":"10.1109/IEEEGCC.2011.5752637","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752637","url":null,"abstract":"DubaiSat-1 is an initiative from Emirates Institution for Advanced Science and Technology (EIAST) to start the first Earth observation satellite program in the United Arab Emirates (UAE). The satellite was designed and developed by Satrec Initiative — a pioneer satellite manufacturing company in South Korea, with a strong participation from EIAST engineers. DubaiSat-1 is a catalyst project and part of an in-depth technology transfer program to convey advanced satellites technology to the UAE. The satellite was launched on 29th of July 2009 from Baikonur launch site onboard of Dnepr rocket. DubaiSat-1 observes the Earth at a Low Earth Orbit (LEO) and generates high resolution optical images at 2.5m panchromatic (Pan) and 5m multispectral (MS) bands. These images provide a variety of users and decision makers in the UAE with valuable tool for a wide range of applications including infrastructure development, urban planning as well as environment monitoring and protection. DubaiSat-1 images can also be used extensively to promote geosciences and remote sensing research in the region and support different scientific disciplines in private and academic sectors. The preliminary design work has already started for the second platform DubaiSat-2 planned to be launched by 2012.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116574540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mitigation of magnetic fields near transmission lines using a passive loop conductor 利用无源环路导体减轻传输线附近的磁场
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752635
R. Mardiana, M. Poshtan
{"title":"Mitigation of magnetic fields near transmission lines using a passive loop conductor","authors":"R. Mardiana, M. Poshtan","doi":"10.1109/IEEEGCC.2011.5752635","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752635","url":null,"abstract":"This paper presents a concept to reduce the magnetic field generated from ac overhead transmission lines. The mitigation of magnetic field is performed by using a passive loop conductor. The method is applied to a flat transmission line configuration which is used frequently in extra high-voltage system. The effect of width and height of passive loop conductor on the reduction of magnetic field intensity is further investigated. Numerical results of magnetic field mitigation and further discussion are provided.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126307834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
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